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<html>

<head>
    <meta charset="utf-8">
    <title>菜鸟教程(runoob.com)</title>
</head>

<body>
    <h3>计算器</h3>

    <form action="/test_cgi" method="POST">
        x: <input type="text" name="data_x" value="0"> <br>
        y: <input type="text" name="data_y" value="1">
        <br><br>
        <input type="submit" value="提交">
    </form>
    <p><b>注意：</b> 如果您点击提交，表单数据会提交给test_cgi，进行后台数据处理</p>

</body>

</html>